Mathematics, 27.09.2019 01:50, katiaciceron2541

Which of the following polynomial equations are valid identities?
a. (a + b)(2a + 1) = a(2a + 2b +1)
b. (n+2)2 – n2 = 4(n+1)

only a?
only b?
both?
neither?

and explain why

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 18:00, davidoj13

Aculture started with 3000 bacteria. after 5 hours it grew to 3900 bacteria. predict how many bacteria will be present after 9 hours

Answers: 3

continue

Mathematics, 22.06.2019 02:40, carms12

There are 18 female students and 16 male students in a class. which of the following expresses the ratio of female students to male students in simplest form? а) 10 b) 9 to 8 c) 8: 9 d)18/16

Answers: 1

continue

Mathematics, 22.06.2019 04:00, kamkam1713

Write a function rule for “the output is 5 less than the input.” let x be the input and let y be the output.

Answers: 1

continue

Mathematics, 22.06.2019 05:30, JohnJamesPaksitani

Marshall went to the state fair and bought 3 tickets. each ticket to the fair cost x dollars. after he bought the tickets, he had $3.25 left in change. write an expression that represents the amount of money, in dollars, that marshall had before he bought the tickets. n

Answers: 1

continue

Do you know the correct answer?

Which of the following polynomial equations are valid identities?
a. (a + b)(2a + 1) = a(2a +...